| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2015/05/18 | 01:03:52.1 | 05:33:52.1 | 34.96 | 49.99 | 15 | ML:2.4 | Markazi Province, 30 km North of Tafresh | ||
| 2015/05/16 | 07:22:44.0 | 11:52:44.0 | 35.73 | 48.78 | 31 | ML:1.8 | Hamedan Province, 57 km North of Kabudar Ahang | ||
| 2015/05/15 | 21:03:03.9 | 01:33:03.9 | 34.92 | 50.09 | 14 | ML:3.8 | Markazi Province, 26 km North of Tafresh | ||
| 2015/05/14 | 06:28:38.6 | 10:58:38.6 | 34.23 | 50.23 | 46 | ML:2.1 | Markazi Province, 39 km South-East of Ashtiyan | ||
| 2015/05/12 | 17:36:50.9 | 22:06:50.9 | 34.94 | 49.98 | 19 | ML:2.8 | Markazi Province, 27 km North of Tafresh | ||
| 2015/05/12 | 15:28:22.2 | 19:58:22.2 | 34.95 | 49.99 | 14 | ML:3.8 | Markazi Province, 29 km North of Tafresh | ||
| 2015/05/12 | 11:56:34.1 | 16:26:34.1 | 34.89 | 50.14 | 21 | ML:2 | Markazi Province, 24 km North-East of Tafresh |